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Mounting and Wiring VMA1400 Series Controllers Technical Bulletin

Mounting and Wiring VMA1400

Series Controllers

Introduction

The integrated VMA1410/1420, which includes a controller, actuator,

and pressure sensor, mounts on the Variable Air Volume (VAV)

terminal box. The VMA1430 mounts anywhere on the VAV box and

is wired to a separate damper actuator.

Note: This document focuses on the VMA1410, 1420, and 1430

controllers. The VMA1400 Series also includes the

VMA1440, which is a controller used exclusively as part of

the Metasys® Zoning Package. See the Metasys Zoning

Package Product Bulletin (LIT-639050) and the Metasys

Zoning Package Overview Technical Bulletin (LIT-639100)

for information on this specialized product.

Instructions for wiring the VAV Modular Assembly (VMA) and its

accessory devices are provided in this section.

This document describes how to:

• prepare the VMA for mounting

• mount the VMA1410/1420

• mount the VMA1430

• set the damper position (VMA1410, 1420, or VMA1430 with

external actuator)

• wire the VMA

• connect the N2 Bus

Johnson Controls VMA1400 Series User Manual

Questions and Answers: